Nathaniel Ragasa

I am a senior cybersecurity engineer with over four years of progressive experience in threat response, malware analysis, XDR engineering, and developing generative AI solutions to automate security tasks. I specialize in static and dynamic malware analysis, reverse engineering (OllyDbg, IDA Pro), log analysis, threat intelligence, and mapping detections to the MITRE ATT&CK framework to improve detection coverage.

At Trend Micro I built AI assistants for analysts, validated detection pipelines and event schemas, led MITRE evaluation configuration changes, replicated adversary techniques to close detection gaps, and authored research and threat reports. I deliver actionable detections, clear forensic reporting, and process improvements that streamline operations while maintaining secure, reliable outcomes.